# EXERCISE 8.2

QUESTION 1

**Convert the given fractional numbers to percent:**

(a)

Sol :

= 12.5%

(b)

Sol :

= 5 × 25% = 125%

(c)

Sol :

= 7.5%

(d)

Sol :

QUESTION 2

**Convert the given decimal fractions to percents:**

**(a) 0.65**

Sol :

= 65%

**(b) 2.1**

Sol :

= 210%

**(c) 0.02**

Sol :

= 2%

**(d) 12.35**

Sol :

= 1235%

QUESTION 3

**Estimate what part of the figure is coloured and hence find the per cent which is coloured .**

Sol :

(i) Here , 1 part out of 4 equal parts are shaded which represent fraction

= 25%

(ii) Here , 3 parts out of 5 equal parts are shaded which represents the fraction